We are Hubei Zhongyou Technology Industry & Commerce Co., Ltd from China, which is a high-tech enterprise that is specialized in researching, manufacturing, and supplying of communication electronic instruments and teaching experiment instruments, was established in 1993, which located in Wuhan Optic Valley High-tech Developing Zone. We are one of earliest and largest instrument suppliers who are researching and developing educational equipment in China. We are an ISO 9001:2000 certified company.